/**
 * Business Panel - Main Stylesheet
 * Modern, Mobile-First, Professional Admin UI
 */

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* Primary Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    --primary-800: #3730a3;
    --primary-900: #312e81;

    /* Gray Scale */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic Colors */
    --success-50: #ecfdf5;
    --success-500: #10b981;
    --success-600: #059669;
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --danger-50: #fef2f2;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --info-50: #eff6ff;
    --info-500: #3b82f6;
    --info-600: #2563eb;

    /* Background & Surface */
    --bg-body: #f1f5f9;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-sidebar: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);

    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Border */
    --border-color: #e2e8f0;
    --border-radius-sm: 6px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 64px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   BASE RESET & TYPOGRAPHY
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 {
    font-size: 1.875rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

p {
    margin-bottom: var(--space-4);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   APP LAYOUT
   ============================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition);
}

.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.page-content {
    flex: 1;
    padding: var(--space-6);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    color: var(--text-inverse);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width var(--transition), transform var(--transition);
    overflow: hidden;
}

.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 1;
    transition: opacity var(--transition);
}

.sidebar-collapsed .sidebar-title {
    opacity: 0;
    pointer-events: none;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section {
    margin-bottom: var(--space-4);
}

.nav-section-title {
    padding: var(--space-2) var(--space-5);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    white-space: nowrap;
}

.sidebar-collapsed .nav-section-title {
    opacity: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    color: var(--gray-300);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.nav-link:hover {
    color: var(--text-inverse);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-inverse);
    background: rgba(99, 102, 241, 0.2);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--primary-500);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-text {
    opacity: 1;
    transition: opacity var(--transition);
}

.sidebar-collapsed .nav-text {
    opacity: 0;
    pointer-events: none;
}

.sidebar-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary-500);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info {
    overflow: hidden;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.sidebar-collapsed .user-info {
    display: none;
}

/* Sidebar Credit */
.sidebar-credit {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.7rem;
    color: var(--gray-400);
    text-align: center;
    letter-spacing: 0.02em;
}

.sidebar-collapsed .sidebar-credit {
    display: none;
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

/* ============================================
   HEADER
   ============================================ */
.page-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.sidebar-toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-date-filter {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: var(--space-5);
}

.card-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    background: var(--gray-50);
}

/* Stat Cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: var(--info-50);
    color: var(--info-600);
}

.stat-icon.green {
    background: var(--success-50);
    color: var(--success-600);
}

.stat-icon.orange {
    background: var(--warning-50);
    color: var(--warning-600);
}

.stat-icon.red {
    background: var(--danger-50);
    color: var(--danger-600);
}

.stat-icon.purple {
    background: var(--primary-50);
    color: var(--primary-600);
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-change {
    font-size: 0.75rem;
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.stat-change.positive {
    color: var(--success-600);
}

.stat-change.negative {
    color: var(--danger-600);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: 0.8125rem;
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-700);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
}

.btn-success {
    background: var(--success-600);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-500);
}

.btn-danger {
    background: var(--danger-600);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-500);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
    color: var(--text-primary);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-500);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled {
    background: var(--gray-100);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger-500);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--danger-50);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--danger-500);
    margin-top: var(--space-1);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--primary-600);
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-label {
    font-size: 0.9375rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Switch Toggle */
.form-switch {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.switch-toggle {
    position: relative;
    width: 44px;
    height: 24px;
}

.switch-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    inset: 0;
    background: var(--gray-300);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.switch-toggle input:checked+.switch-slider {
    background: var(--primary-600);
}

.switch-toggle input:checked+.switch-slider::before {
    transform: translateX(20px);
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--gray-100);
    border: 1px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--gray-50);
    white-space: nowrap;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius-full);
}

.status-badge.pending {
    background: var(--warning-50);
    color: var(--warning-600);
}

.status-badge.processing {
    background: var(--info-50);
    color: var(--info-600);
}

.status-badge.completed {
    background: var(--success-50);
    color: var(--success-600);
}

.status-badge.cancelled {
    background: var(--danger-50);
    color: var(--danger-600);
}

.status-badge.draft {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-badge.publish {
    background: var(--success-50);
    color: var(--success-600);
}

/* ============================================
   ACCORDION
   ============================================ */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: var(--gray-50);
    border: none;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    transition: background var(--transition-fast);
}

.accordion-header:hover {
    background: var(--gray-100);
}

.accordion-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition);
}

.accordion-item.open .accordion-icon {
    transform: rotate(180deg);
}

.accordion-body {
    padding: var(--space-5);
    display: none;
}

.accordion-item.open .accordion-body {
    display: block;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    min-width: 300px;
    max-width: 400px;
    padding: var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toast.success .toast-icon {
    color: var(--success-600);
}

.toast.error .toast-icon {
    color: var(--danger-600);
}

.toast.warning .toast-icon {
    color: var(--warning-600);
}

.toast.info .toast-icon {
    color: var(--info-600);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

.toast-close {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-muted);
    cursor: pointer;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner.lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: var(--space-4);
}

.loading-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* Page Loading */
.page-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

/* ============================================
   CHARTS
   ============================================ */
.chart-container {
    position: relative;
    height: 300px;
}

.chart-container canvas {
    max-height: 100%;
}

/* ============================================
   DATE FILTERS
   ============================================ */
.date-filters {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.date-filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.date-filter-group label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.date-filter-group input[type="date"] {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.date-filter-group input[type="date"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Quick Filter Buttons Active State */
.date-filters [data-filter-quick] {
    transition: all var(--transition-fast);
}

.date-filters [data-filter-quick].active {
    background: var(--primary-600);
    color: white;
}

.date-filters [data-filter-quick]:hover:not(.active) {
    background: var(--gray-200);
}

/* Site Name Display */
.site-name-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: var(--gray-100);
    border-radius: var(--border-radius);
}

/* ============================================
   PRODUCT BLOCKS (BULK CREATION)
   ============================================ */
.product-blocks {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.product-block {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.product-block-header {
    padding: var(--space-4) var(--space-5);
    background: var(--gray-50);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-block-title {
    font-size: 0.9375rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.product-block-number {
    width: 28px;
    height: 28px;
    background: var(--primary-600);
    color: white;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
}

.product-block-body {
    padding: var(--space-5);
}

.product-block-actions {
    display: flex;
    gap: var(--space-2);
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
}

/* ============================================
   DATE FILTERS
   ============================================ */
.date-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--gray-50);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-6);
}

.date-filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.date-filter-group label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.date-filter-group input[type="date"],
.date-filter-group select {
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
}

.pagination-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-3);
    border: 1px solid var(--border-color);
    background: var(--bg-surface);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.pagination-btn.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-surface);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-header {
    padding: var(--space-8) var(--space-8) var(--space-6);
    text-align: center;
}

.auth-logo {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--space-5);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.auth-body {
    padding: 0 var(--space-8) var(--space-8);
}

.auth-footer {
    padding: var(--space-4) var(--space-8);
    background: var(--gray-50);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.otp-input-group {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    margin: var(--space-6) 0;
}

.otp-input {
    width: 50px;
    height: 56px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.otp-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar-open .sidebar {
        transform: translateX(0);
    }

    .sidebar-open .sidebar-overlay {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-collapsed .main-content {
        margin-left: 0;
    }

    .page-content {
        padding: var(--space-4);
    }

    .page-header {
        padding: var(--space-3) var(--space-4);
    }

    .page-title {
        font-size: 1.125rem;
    }

    .stat-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .date-filters {
        flex-direction: column;
    }

    .header-date-filter {
        display: none;
    }

    .toast-container {
        top: auto;
        bottom: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
    }

    .toast {
        min-width: auto;
        max-width: none;
    }

    .chart-container {
        height: 250px;
    }

    .auth-card {
        border-radius: var(--border-radius-lg);
    }

    .auth-header,
    .auth-body {
        padding-left: var(--space-5);
        padding-right: var(--space-5);
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-muted);
}

.text-success {
    color: var(--success-600);
}

.text-danger {
    color: var(--danger-600);
}

.text-warning {
    color: var(--warning-600);
}

.mt-0 {
    margin-top: 0;
}

.mt-2 {
    margin-top: var(--space-2);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-2 {
    margin-bottom: var(--space-2);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.d-flex {
    display: flex;
}

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.w-full {
    width: 100%;
}

.cursor-pointer {
    cursor: pointer;
}

/* Low Stock Highlight */
.low-stock {
    background-color: var(--danger-50) !important;
}

.low-stock td {
    color: var(--danger-600);
}

/* Rich Text Editor */
.rich-editor {
    min-height: 200px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.rich-editor-toolbar {
    padding: var(--space-2) var(--space-3);
    background: var(--gray-50);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.rich-editor-toolbar button {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.rich-editor-toolbar button:hover {
    background: var(--gray-200);
    color: var(--text-primary);
}

.rich-editor-toolbar button.active {
    background: var(--primary-100);
    color: var(--primary-600);
}

.rich-editor-content {
    padding: var(--space-4);
    min-height: 150px;
    outline: none;
}

/* Image Upload */
.image-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.image-upload-area:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.image-upload-area.dragover {
    border-color: var(--primary-500);
    background: var(--primary-100);
}

.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.image-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--danger-500);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-surface);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-body {
    padding: var(--space-5);
}

.modal-footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* Tabs */
.tabs {
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.tab-btn {
    padding: var(--space-3) var(--space-1);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Variation Pills */
.variation-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.variation-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--gray-100);
    border-radius: var(--border-radius-full);
    font-size: 0.8125rem;
}

.variation-pill .remove {
    cursor: pointer;
    color: var(--text-muted);
}

.variation-pill .remove:hover {
    color: var(--danger-500);
}

/* Notification Bell */
.notification-bell {
    position: relative;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-bell:hover {
    background: var(--gray-100);
}

.notification-bell svg {
    color: var(--gray-600);
}

.notification-bell.has-new svg {
    color: var(--primary);
    animation: bellRing 0.5s ease-in-out;
}

@keyframes bellRing {

    0%,
    100% {
        transform: rotate(0);
    }

    20%,
    60% {
        transform: rotate(-15deg);
    }

    40%,
    80% {
        transform: rotate(15deg);
    }
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 600;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 320px;
    max-height: 400px;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    z-index: 1000;
    display: none;
}

.notification-dropdown.active {
    display: block;
}

.notification-dropdown-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-list {
    max-height: 320px;
    overflow-y: auto;
}

.notification-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.notification-item:hover {
    background: var(--gray-50);
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-item .order-id {
    font-weight: 600;
    color: var(--primary);
}

.notification-item .order-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.notification-item .order-time {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 4px;
}

.notification-empty {
    padding: 32px 16px;
    text-align: center;
    color: var(--text-muted);
}

/* Order Toast Notification */
.order-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-600));
    color: white;
    padding: 16px 20px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInUp 0.3s ease;
    max-width: 350px;
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.order-toast .toast-icon {
    font-size: 24px;
}

.order-toast .toast-content h4 {
    margin: 0 0 4px 0;
    font-size: 14px;
    font-weight: 600;
}

.order-toast .toast-content p {
    margin: 0;
    font-size: 13px;
    opacity: 0.9;
}

.order-toast .toast-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: white;
    opacity: 0.7;
    cursor: pointer;
    font-size: 16px;
}

.order-toast .toast-close:hover {
    opacity: 1;
}